Who owns MAC prefix 8400EC?

8400EC is registered to Shelly Europe LTD in the IEEE MA-L registry.

What devices use 8400EC?

Any network device with a MAC address starting 84:00:EC was manufactured by or for Shelly Europe LTD.

MA-L · OUI prefix

Shelly Europe LTD

Any MAC address starting 84:00:EC is registered to Shelly Europe LTD in BG.

OUI prefix	8400EC
Vendor	Shelly Europe LTD
Registry	MA-L (24-bit, large block)
Country	BG
Example MAC	84:00:EC:00:00:00

What this means

The IEEE assigned the MA-L block 8400EC to Shelly Europe LTD. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 84:00:EC, it is Shelly Europe LTD hardware.

Look up another MAC